Perry Township, Gallia County, OH Elevation & Topographic Map
Elevation
1,010 ft 305 m900 ft 275 m840 ft 255 m730 ft 220 m610 ft 185 m560 ft 170 m
Contours every 200 ft, bold every 1,000 ft
USGS 3DEP · U.S. Census Bureau
How to use this mapviews, tools and data
- Elevation
- Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
- Satellite
- A 2016 satellite photo at 33 ft (10 m) detail; contours off.
- 3D
- Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
- Click or tap anywhere
- The exact elevation of that spot in ft and m.
- Measure
- Pick two points for the climb, descent and grade along a straight line.
- Township area
- Fades everything outside the official township boundaries (US Census).
Elevation Data
Perry Township, Gallia County sits at about 740 ft (225 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
740 ft 225 m
most residents: 630–840 ft
Lowest
560 ft 170 m
on the southeast side
Highest
1,010 ft 305 m
on Poplar Knob
Average
720 ft 220 m
all land inside township boundaries
Perry Township, Gallia County spans about 450 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 740 ft225 m |
| Highest point Inside township boundaries, on Poplar Knob | 1,010 ft305 m |
| Lowest point Inside township boundaries, on the southeast side | 560 ft170 m |
| Average of all land | 720 ft220 m |
Elevation profile, south to north
6.1 mi south to north through the middle of Perry Township, Gallia County.
Topographic Map
- Location
- Township in Gallia County, Ohio, United States
- Population
- 1,494 2024 est.
- Land area
- 38.1 sq mi + 0.3 sq mi water
- Density
- 39 per sq mi
- Coordinates
- 38.8179° N, 82.3851° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Appalachian Plateaus
- Drains to
- Ohio River → Mississippi River → Gulf of America
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Walnut Township, Gallia County800 ft
- Greenfield Township, Gallia County790 ft
- Harrison Township, Gallia County790 ft
- Perry Township, Gallia County740 ft
- Madison Township, Jackson County740 ft
- Springfield Township, Gallia County700 ft
- Bidwell700 ft
- Green Township, Gallia County690 ft
- Centerville (Thurman)670 ft
- Raccoon Township670 ft
- Rio Grande650 ft
Rankings by typical elevation
- Towns in Ohio2,033rd highest of 2,572
- Towns in Gallia County7th highest of 23
Peaks and hills nearest, by height
- Poplar Knob, Gallia County1,010 ft
- Prospect Hill, Gallia County920 ft
- Miller Hill890 ft
- Pigeon Knob870 ft
- Fortification Hill860 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the township boundaries, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census township boundaries (TIGER, Jan 1 2026).
- Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
- Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (FAA airport elevation, NGS survey heights) are shown as their publisher gives them.
- Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, 2024 population estimates, Gazetteer areas); BTS time zones. All public domain.